How do I know if something is true?

Determining the credibility of websites

http://bit.ly/RbOYXm

Polleverywhere i-Pad survey

Go to the following site: PollEv.com/cthjoh

Class Results

http://www.polleverywhere.com/my/polls#!/my/polls

What is the distance to the Moon?

You do: Google it!

Go to www.google.com

Search: What is the distance to the moon

Are all the answers the same?

Google Results HERE:

How big is the Internet?

5 Million Terabytes

How do search engines work?

• Spiders/bots crawl the internet to index words and look for links.

Link if needed

Remember you can get to the Deep Web, but not usually with search engines.

How good is Google?

• Google has indexed about 170 TB'so 5 million TB's

total

• 300 Years to finisho if nothing

new added Former Google CEO: Eric Schmidt

Databases- Top 5 reasons (Jones)

• Many databases save you time by creating citations in a format you need (APA, MLA, etc...)

• Databases help you find information on a wide range of topics

• Some databases (JONES) offer full text articles

• Because information is from publishers, not just anyone, they have been checked for accuracy and reliability

• Your teacher will think you are super smart b/C you used a database, and didn't just "Google It".

Sooo... How do I Know if something is

true?

Step 1: Read the web address and check for vital information

http://www.dhmo.org/

Question: Who is responsible for creating this page?

How do I know if something is true?

Step 2: Determine the author

• Find out what you can about the authoro Glean who it is: http://gleanwhois.org/ o Google the author

Questions:

How much experience does the author have?

What is the author's occupation?

What is the author's reputation/background?

http://www.dhmo.org/

How do I know if something is true?

Step 3: Check the Contents of the Page

Questions: Why was this page created?

• to inform me?

• to persuade me?

• to sell me something?

• to put down, or undermine someone else?

How broad minded or bias is the content?

• is the topic simplified

• does the argument appeal more to emotion than logic

• is extreme or exaggerated language used?

Is this a just a story or a study?

• a scientific study?

• was study done on people?

• how was study designed?

• WHO PAID FOR THE STUDY?o Government pays for many

studies: Institutes of Health (NIH) Centers for Disease

Control (CDC) U.S. Food and Drug

Administration (USDA)

How do I know if something is true?

Step 4: Check the links

• Check the linkso Link Checker: http://validator.w3.org/checklinko Google Advanced Search Features

Questions:o do links point to reliable informationo do the links support or contradict the author's claimso do the links work?o What other sites link to this page?

Time to do some detective work

Roles- All will complete W.S., Rotate roles after each case.o Crime Scene Investigator

analyze web address, and the vital information (Step 1)

o Criminalist 1 (Process the author) Check out the author/creator of the page (Step 2)

o Criminalists 2 (Process the scene/website) Check the contents of the page and the links (Step 3)

o Lead Detective/Public Speaker Review the links (Step 4) Review the evidence presented from investigators and

criminalists and determine if internet fraud has occurred

CSI Miami

Cases:

1. Genochoice

2. Microbes

3. McWhortle

4. Cancer Tutor

CSI New York

RYT Hospital

Center for Health Nutrition

Cancer Treatment

Flu

NCIS

Diabetes

Depression

Adverse cat reactions

Asthma

NCIS Los Angeles

Diabetes

Health and Fitness

ADD

Teen Smoking